Question is ⇒ A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have, Options are ⇒ (A) no change of power factor, (B) lagging power factor with over-excitation, (C) leading power factor with underexcitiltion, (D) leading power factor vvith over-excitation, (E) , Leave your comments or Download question paper.

Question is ⇒ A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have, Options are ⇒ (A) no change of power factor, (B) lagging power factor with over-excitation, (C) leading power factor with underexcitiltion, (D) leading power factor vvith over-excitation, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have
A.	no change of power factor [Wrong Answer]
B.	lagging power factor with over-excitation [Wrong Answer]
C.	leading power factor with underexcitiltion [Wrong Answer]
D.	leading power factor vvith over-excitation [Correct Answer]
View Answer 7 -3 Explanation:- Answer : D Discuss it below : Chirag Galiya Said on 2020-08-26 02:06:49 The synchronous motor connected to an infinite bus takes power at a lag p.f. If its excitation is increased: !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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